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Tag Archives: PV
Dozens of reasons why solar power can’t replace fossil fuels
Preface. Last update 2024-6-3. All solar (and wind) do is add to the giant bonfire of burning fossil fuels — which still provide two-thirds of the power for the electric grid. Electricity is just a fraction of how we use … Continue reading
Posted in Alternative Energy, CSP with thermal energy storage, Photovoltaic Solar, Recycle, Recycling, Solar, Solar EROI, Subsidies
Tagged china, EROI, fossil fuels, greenhouse gases, orbiting solar, PV, solar, subsidy, toxic chemicals
Comments Off on Dozens of reasons why solar power can’t replace fossil fuels
Not enough rare metals to scale up solar power
Preface. Sunshine may be free, but the materials to make solar contraptions sure aren’t. Since sunshine arrives in a diluted form, vast expanses of solar photovoltaic panels will be needed to produce the world’s 24,000 Terawatt hours of electrical … Continue reading
Posted in Alternative Energy, Mining, Peak Critical Elements, Peak Rare Earth Elements, Photovoltaic Solar, Recycle, Recycling
Tagged gallium, indium, photovoltaic, PV, rare earth, Ruthenium, solar, tellurium
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Pedro Prieto: many solar panels won’t last 25-30 years, EROI may be negative
Preface. Pedro Prieto and Charles Hall wrote the definitive book on the EROI of solar power, “Spain’s Photovoltaic Revolution. The Energy Return on Investment” and has built many commercial facilities himself and witnessed the failure of solar panels long before … Continue reading
Solar PV requires too much land to replace fossils
Preface. This is a brief summary of the Capellan-Perez paper that calculates the land needed to use solar to replace electricity as well as the land needed if solar were to replace all of societies use of energy (i.e. transportation, … Continue reading
Net metering and the death of US rooftop solar
April 22, 2016 by Roger Andrews at euanmearns.com “Net metering” allows anyone with a solar installation to sell surplus solar power to the grid when the sun is shining and to purchase power back from the grid when it isn’t. … Continue reading